Gamma Definition
gămə
noun
The third letter of the Greek alphabet (Γ, γ)
Webster's New World
The third of a group or series.
Webster's New World
A microgram.
Webster's New World
A unit of mass equal to one millionth (10−6 ) of a gram.
American Heritage
A number indicating the degree of contrast between the darkest and lightest parts of a photographic image.
Webster's New World
Synonyms:
- Vasco da Gamma
- da Gamma
adjective
Being in the third position relative to a designated carbon atom in an organic molecule at which an atom or a group may be substituted.
American Heritage
Referring to the third of a group of isomers, or molecules of similar origin or properties, determined arbitrarily by those who discover or classify them. Used in combination.
American Heritage
Other Word Forms of Gamma
Noun
Singular:
gamma
Plural:
gammasOrigin of Gamma
-
Middle English from Greek of Phoenician origin gml2 in Semitic roots
From American Heritage Dictionary of the English Language, 5th Edition
From Ancient Greek γάμμα (gamma).
From Wiktionary
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